<?php 

	class schedule
	{
		function __construct($schedule_string) // schedule_string format example for TUNE on July 3rd, 2012 at 3:45pm: "T1545
		{
            // depending on value of $type, choose which schedule function
            // to use
		}
		
		function schedule_scan()
		{
			// schedule scan function
		}
		
		function schedule_tune()
		{
			// schedule tune function
		}
	}

?>